#robber  a thief who steals from someone by threatening violence
  supertype:  thief__stealer  a criminal who takes property belonging to someone else with the intention of keeping it or selling it
  subtype:  bank_robber  a robber of banks
  subtype:  mugger  a robber who takes property by threatening or performing violence on the person who is robbed (usually on the street)

No statement uses or specializes robber; click here to add one.